<template>
  <div class="order-list">
    <order-header title="订单列表">
      <template v-slot:tip>
        <span>请谨防钓鱼链接或诈骗电话，了解更多></span>
      </template>
    </order-header>
    <div class="wrapper">
      <div class="container">
        <div class="order-box">
          <loading v-if="loading"></loading>
          <div class="order" v-for="(order, index) in list" :key="index">
            <div class="order-title">
              <div class="item-info fl">
                {{order.createTime}}
                <span>|</span>
                {{order.receiverName}}
                <span>|</span>
                {{order.orderNo}}
                <span>|</span>
                {{order.paymentTypeDesc}}
              </div>
              <div class="item-money fr">
                <span>应付金额：</span>
                <span class="money">{{order.payment}}</span>
                <span>元</span>
              </div>
            </div>
            <div class="order-content clearfix">
              <div class="good-box fl">
                <div class="good-list" v-for="(item, i) in order.orderItemVoList" :key="i">
                  <div class="good-img">
                    <img v-lazy="item.productImage" alt="#">
                  </div>
                  <div class="good-name">
                    <div class="p-name">{{item.productName}}</div>
                    <div class="p-money">{{item.totalPrice + 'X' + item.quantity}}元</div>
                  </div>
                </div>
              </div>
              <div class="good-state fr" v-if="order.status == 20">
                <a href="javascript:;" @click="goPay(order.orderNo)">{{order.statusDesc}}</a>
              </div>
              <div class="good-state fr" v-else>
                <a href="javascript:;" @click="goPay(order.orderNo)">{{order.statusDesc}}</a>
              </div>
            </div>
          </div>
          <!-- 分页器显示与否，暂时关闭 -->
          <el-pagination
            v-if="false"
            class="pagination"
            background
            layout="prev, pager, next"
            :pageSize="pageSize"
            :total="total"
            @current-change="handleChange"
          >
          </el-pagination>
          <div class="load-more">
              <el-button type="primary" :loading="loading" @click="loadMore">加载更多</el-button>
          </div>
          <div class="scroll-more"
            v-infinite-scroll="scrollMore"
            infinite-scroll-disabled="busy"
            infinite-scroll-distance="410"
            v-if="false"
          >
              <img src="/imgs/loading-svg/loading-spinning-bubbles.svg" alt="#" v-show="loading">
          </div>
          <no-data v-if="!loading && list.length == 0"></no-data>
        </div>
      </div>
    </div>
  </div>
</template>
<script>
  import OrderHeader from './../components/OrderHeader'
  import Loading from './../components/Loading'
  import NoData from './../components/NoData'
  import { Pagination, Button } from 'element-ui'
  import infiniteScroll from 'vue-infinite-scroll'
  export default {
    name: 'order-list',
    components: {
      OrderHeader,
      Loading,
      NoData,
      [Pagination.name]: Pagination,
      [Button.name]: Button
    },
    directives: { infiniteScroll },
    data() {
      return {
        list: [],
        loading: false,
        pageSize: 10,
        pageNum: 1,
        total: 0,
        busy: false
      }
    },
    mounted() {
        this.getOrderList()
    },
    methods: {
      getOrderList() {
        this.loading = true
        this.busy = true
        this.axios.get('/orders', {
           params: {
              pageSize: 2,
              pageNum: this.pageNum
           }
        }).then((res) => {
            this.loading = false
            this.busy = false
            //  分页器分页加载数据
            // this.list = res.list
            //  老师的累加方法
            //  this.list = this.list.concat(res.list)
            //  加载更多累加数据
            //  自己写的方法
            if (this.pageNum === 1) {
                this.list = res.list
            } else {
                this.list.push(res.list[0])
                this.list.push(res.list[1])
            }
            this.total = res.total
        })
        .catch(() => {
            this.loading = false
        })
      },
      goPay(orderNo) {
          // 三种路由跳转方式
          // this.$router.push('/order/pay')
          // this.$router.push({
          //     name: 'order-pay',
          //     query: {
          //      orderNo
          //   }
          // })
          this.$router.push({
            path: '/order/pay',
            query: {
               orderNo
            }
          })
      },
      //  第一种方法分页pageNum当前页数
      handleChange(pageNum) {
          this.pageNum = pageNum
          this.getOrderList()
      },
      //  第二种方法加载更多
      loadMore() {
          this.pageNum++
          this.getOrderList()
      },
      //  第三种方法滚动加载更多
      scrollMore() {
          this.busy = true
          setTimeout(() => {
              this.pageNum++
              this.getList()
          }, 500)
      },
      //  专门给scrollMore用
      getList() {
        this.loading = true
        this.axios.get('/orders', {
           params: {
              pageSize: 4,
              pageNum: this.pageNum
           }
        }).then((res) => {
            this.list = this.list.concat(res.list)
            this.loading = false
            if (res.hasNextPage) {
                this.busy = false
            } else {
                this.busy = true
            }
        })
        .catch(() => {
        })
      }
    }
  }
</script>

<style lang="scss">
  @import './../assets/scss/config.scss';
  @import './../assets/scss/mixin.scss';
  .order-list{
    .wrapper{
      background-color:$colorJ;
      padding-top:33px;
      padding-bottom:110px;
      .order-box{
        .order{
          @include border();
          background-color:$colorG;
          margin-bottom:31px;
          &:last-child{
            margin-bottom:0;
          }
          .order-title{
            @include height(74px);
            background-color:$colorK;
            padding:0 43px;
            font-size:16px;
            color:$colorC;
            .item-info{
              span{
                margin:0 9px;
              }
            }
            .money{
              font-size:26px;
              color:$colorB;
            }
          }
          .order-content{
            padding:0 43px;
            .good-box{
              width:88%;
              .good-list{
                display: flex;
                align-items: center;
                height:145px;
                .good-img{
                  width:112px;
                  img{
                    width:100%;
                  }
                }
                .good-name{
                  font-size:20px;
                  color:$colorB;
                }
              }
            }
            .good-state{
              @include height(145px);
              font-size: 20px;
              color:$colorA;
              a{
                color:$colorA;
              }
            }
          }
        }
        .pagination{
          text-align:center;
        }
        .el-pagination.is-background .el-pager li:not(.disabled).active{
          background-color: #FF6600;
        }
        .el-button--primary{
          background-color: #FF6600;
          border-color: #FF6600;
        }
        .load-more,.scroll-more{
          text-align:center;
        }
      }
    }
  }
</style>
